Add win_handle_types.h to base BUILD file

This is included by raw_ptr.h

Change-Id: Icf7c92ee8da04da8b45ae8ef887131dad91dae61

base/BUILD

diff --git a/base/BUILD b/base/BUILD
index 60ca578..6a793a6 100644
--- a/base/BUILD
+++ b/base/BUILD
@@ -55,6 +55,7 @@
         "strings/string_number_conversions.h",
         "strings/utf_string_conversions.h",
         "strings/utf_string_conversion_utils.h",
+        "win/win_handle_types.h",
     ] + build_config.strings_hdrs,
     copts = build_config.default_copts,
     textual_hdrs = [